A friend of mine wrote an article for my site about all the work he's done on his 1978 450SE. I thought it would also interest people here too:
There are also links to some other work he's done to this lovely car:

Guest Post: W116 450SE – M117 Rocker Arm Wear
Editors Note: This is part three in a series by Nick Gruzevskis about owning a 1978 Mercedes 450SE W116. The first part covered the purchase and cosmetic rest
www.classicjalopy.com
There are also links to some other work he's done to this lovely car:

Guest Article: My W116 Journey
It was back in April 2018 when I got a call from Greg at Gullwing Motors, telling me to come in as he had a car that I might be interested in. Oooh, this sounde
www.classicjalopy.com

Guest Post: Maintenance jobs deferred – W116 steering alignment
Owning more than a few classic cars can often be problematic, as minor maintenance jobs are often deferred. My 450SE (Claudia) had been on top of the hoist for
www.classicjalopy.com